Cyclones are large areas of swirling air with clouds and precipitation being formed inside.
The phosphorus cycle describes the movement of phosphorus through the lithosphere, hydrosphere, and biosphere.
Evaporating surface water forms clouds of various shapes from which water falls back to the surface as precipitation.
Solar radiation travels in space uninterruptedly but by the time it reaches the surface of the Earth it can encounter multiple obstacles.
This video presents every step of coal formation; from dead vegetation right until the formation of diamonds.
It is a sedimentary rock made up of loosely structured, rough grains of rock. It is quite widespread on the planet.